4978290 has 64 divisors (see below), whose sum is σ = 12690432. Its totient is φ = 1248000.

The previous prime is 4978283. The next prime is 4978291. The reversal of 4978290 is 928794.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4978291) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 49240 + ... + 49340.

It is an arithmetic number, because the mean of its divisors is an integer number (198288).

Almost surely, 2^4978290 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4978290, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6345216).

4978290 is an abundant number, since it is smaller than the sum of its proper divisors (7712142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4978290 is a wasteful number, since it uses less digits than its factorization.

4978290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 195.

The product of its (nonzero) digits is 36288, while the sum is 39.

The square root of 4978290 is about 2231.2081928856. The cubic root of 4978290 is about 170.7497450811.

The spelling of 4978290 in words is "four million, nine hundred seventy-eight thousand, two hundred ninety".